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Registro Completo
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Biblioteca(s): |
Embrapa Clima Temperado. |
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Data corrente: |
07/01/2022 |
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Data da última atualização: |
07/01/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
TOMAZETTI, M. B.; CAMARGO, E. R.; GOMES, J. P. S.; PARFITT, J. M. B.; SILVA, J. T. da; MOISINHO, I. S.; BRICKHILL, H.; CONCENÇO, G. |
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Afiliação: |
MARCOS BELINAZZO TOMAZETTI, UFPEL; EDINALVO RABAIOLI CAMARGO; JOÃO PAULO SOUSA GOMES; JOSE MARIA BARBAT PARFITT, CPACT; JAQUELINE TROMBETTA DA SILVA; IVANA SANTOS MOISINHO; HARRIET BRICKHILL, RICE EXTENSION, LEETON, AUSTRALIA; GERMANI CONCENCO, CPACT. |
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Título: |
Impact of ryegrass cover on lowland rice establishment. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Australian Journal of Crop Science, v. 15, n. 10, p. 1217-1223, 2021. |
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ISSN: |
1835-2707 |
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DOI: |
10.21475/ajcs.21.15.10.p2497 |
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Idioma: |
Inglês |
|
Conteúdo: |
This study aimed to analyze the impact of ryegrass as a soil cover on soil moisture level, initial rice establishment, grain yield and weed control in irrigated rice planted after ryegrass. The experiment was conducted under field conditions in randomized blocks design with four replications. Ryegrass (cv. BRS-Ponteio) was planted in autumn and glyphosate was used as a knockdown before rice planting. Ryegrass plants were cut at 0, 0.15, 0.30 or 0.45 m above ground, resulting in different mulching levels. Rice (cv. Irga-424-CL) was planted in spring and was managed according to local crop recommendations. Although positive to the overall cropping system, ryegrass mulching suppressed rice emergence, especially with ryegrass cutting heights above 0.30 m, thus increased seeding densities in rice fields with substantial ryegrass soil cover may be needed. Ryegrass mulching had no significant effect on weed suppression, with positive results being observed only with > 3000 kg ha-1 of ryegrass dry mass mulching. However, the rice yield in relation to the bare soil treatment was 14.3% less when straw quantity was 4500kg ha-1, reinforcing the need for evaluating the benefits and costs of ryegrass as a cover crop in rice production. |
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Thesagro: |
Arroz; Azevém; Palha; Plantio Direto. |
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Thesaurus NAL: |
No-tillage; Rice; Weed control. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/230084/1/tomazetti-15-10-2021-1217-1223.pdf
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Marc: |
LEADER 02090naa a2200313 a 4500
001 2138885
005 2022-01-07
008 2021 bl uuuu u00u1 u #d
022 $a1835-2707
024 7 $a10.21475/ajcs.21.15.10.p2497$2DOI
100 1 $aTOMAZETTI, M. B.
245 $aImpact of ryegrass cover on lowland rice establishment.$h[electronic resource]
260 $c2021
520 $aThis study aimed to analyze the impact of ryegrass as a soil cover on soil moisture level, initial rice establishment, grain yield and weed control in irrigated rice planted after ryegrass. The experiment was conducted under field conditions in randomized blocks design with four replications. Ryegrass (cv. BRS-Ponteio) was planted in autumn and glyphosate was used as a knockdown before rice planting. Ryegrass plants were cut at 0, 0.15, 0.30 or 0.45 m above ground, resulting in different mulching levels. Rice (cv. Irga-424-CL) was planted in spring and was managed according to local crop recommendations. Although positive to the overall cropping system, ryegrass mulching suppressed rice emergence, especially with ryegrass cutting heights above 0.30 m, thus increased seeding densities in rice fields with substantial ryegrass soil cover may be needed. Ryegrass mulching had no significant effect on weed suppression, with positive results being observed only with > 3000 kg ha-1 of ryegrass dry mass mulching. However, the rice yield in relation to the bare soil treatment was 14.3% less when straw quantity was 4500kg ha-1, reinforcing the need for evaluating the benefits and costs of ryegrass as a cover crop in rice production.
650 $aNo-tillage
650 $aRice
650 $aWeed control
650 $aArroz
650 $aAzevém
650 $aPalha
650 $aPlantio Direto
700 1 $aCAMARGO, E. R.
700 1 $aGOMES, J. P. S.
700 1 $aPARFITT, J. M. B.
700 1 $aSILVA, J. T. da
700 1 $aMOISINHO, I. S.
700 1 $aBRICKHILL, H.
700 1 $aCONCENÇO, G.
773 $tAustralian Journal of Crop Science$gv. 15, n. 10, p. 1217-1223, 2021.
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